The remains of what was the most important religious complex in coastal Peru for over a millennium.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

This stone complex marks the urban center of a lost civilization.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The most accurate timepiece in the world.

Decades before the scandal, this staircase on the river was a literal "water gate."

A much-maligned monument to teetotalism.

This lovely pocket park is one of the most under appreciated in D.C.

When it comes to handsignals (and colonialism) rock always beats scissors.

Located inside a former record pressing plant, this recording studio pays homage to the techniques and gear of a bygone age.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

One man's unrequited love stands in a glass box forever.

A chessmaster's dream destination.